Stefanos Tsitsipas (Greek: Στέφανος Τσιτσιπάς, born 12 August 1998) is a Greek professional tennis player. He is the youngest player ranked in the top 10 by the Association of Tennis Professionals (ATP) and has a career-high ranking of No. 5 in the world, making him the highest-ranked Greek player in history. Tsitsipas was the champion at the 2019 ATP Finals, becoming the youngest winner of the year-end championships in eighteen years. He has won five singles titles and reached ten finals on the ATP Tour.
Maria Sakkari (Greek: Μαρία Σάκκαρη, born 25 July 1995) is a Greek professional tennis player. She reached her career-high singles ranking of No. 20 on 24 February 2020. Her best WTA doubles ranking is No. 169, achieved on 9 September 2019.